TL431X

MCC Micro Commercial Components TM
  omponents 20736 Marilla Street Chatsworth    !"# $ %    !"# TL431X • 0,9:708 • • • • • Lead Free Finish/RoHS Compliant ("P" Suffix designates RoHS Compliant. See ordering information) Epoxy meets UL 94 V-0 flammability rating Moisure Sensitivity Level 1 Output voltage can be adjusted to 36V Trapping current capability is 1 to 100 mA The effective temperature compensation in the working range of full temperature Programmable Precision Shunt

Regulator








































SOT-89 A B K 0D[LPXP 5DWLQJV # 7457 $SSOLHV 8QOHVV 2WKHUZLVH 1RWHG Parameter Symbol Input Voltage (Vo=5.8V) V1 Operating Junction Temperature TOPR Storage Temperature Range TSTG Parameter Reference Input Voltage Deviation of reference input voltage Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage Reference Input Current Deviation of Reference Input Current Over Full Temperature Range Minimum Cathode Current for Regulation Off-State Cathode Current Dynamic Impedance Value 37 0---70 -55---+150 Max 2.55V 0V 17mV Unit V : : E C D G (OHFWULFDO &KDUDFWHULVWLFV # °& 8QOHVV 2WKHUZLVH 6SHFLILHG Sym Vref Min 2.44V 0V Typ 2.49V 5V 4.5mV Test conditions VKA=VREF, IKA=10mA H J F æ V /æ T ref æ V /æ ref -1.0 -0.5 -2.7 -2.0 4uA VKA Iref 1.5uA æI / æT ref 0.4uA 1.2uA æV = 10VV æ V = I =10mA 36V10V I =10mA, R1=10K R2= I =10mA, R1=10Kè R2= VKA=VREF, IKA=10mA Tmin Ta Tmax KA ref KA KA KA KA 1 2 3 1. REFERENCE 2. ANODE 3. CATHODE TA=full Temperature IKA(min) 0.45m A 0.05uA 0.15 1.0mA
   
       VKA=VREF VKA=36V, VREF=0V VKA=VREF, IKA=1 to 100mA, f 1.0KHz IKA(OFF) ZKA 1.0uA 0.5 è è *Note: Bypass Capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators
              1.55  .061     25                                REF.         www.mccsemi.com Revision: A 1 of 3 2011/01/01 TL431X Fig. 1 – Cathode Current vs. Cathode Voltage 1000 800 VZ = VREF TA = 25°C IZ(MIN) 2.58 2.56 TL431 VZ = VREF IZ = 10mA MCC TM Micro Commercial Components Fig. 2– Reference Voltage vs. Temperature Reference Voltage (V) Cathode Current (µA) 600 400 200 0 -200 -400 -800 -1.0 -0.5 0.0 0.5 1.0 2.54 2.52 2.50 2.48 2.46 2.44 2.42 VREF max VREF typ VREF min 1.5 2.0 2.5 3.0 2.40 -40 -20 0 20 40 60 80 100 120 Cathode Voltage (V) Temperature (°C) Fig. 3 – Reference Input Current vs. Temperature 1.20 1.15 R1=10KΩ R2= ∞ IZ=10mA 0.28 0.24 Fig. 4 – Dynamic Impedance vs. Temperature Reference Input Current (µA) Dynamic Impedance (Ω) 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 -40 -20 0 20 40 60 0.20 0.16 0.12 0.08 0.04 0.00 --40 VZ = VREF IZ = 1mA to 100mA F ≤ 1KHZ 80 100 120 --20 0 20 40 60 80 100 120 Temperature (°C) Temperature (°C) Fig. 5 – Change in Reference Voltage vs. Cathode Voltage 0 2.5 Fig. 6 – Off-State Cathode Current vs. Temperature Off-State Cathode Current (µA) Change In Reference Voltage (mV) --2 IZ=10mA TA=25°C 2.0 VZ=VREF VZ=30V 1.5 --4 --6 --8 --10 1.0 0.5 --12 0 5 10 15 20 25 30 35 40 0.0 --40 -20 0 20 40 60 80 100 120 Cathode Voltage (V) Temperature (°C) www.mccsemi.com Revision: A 2 of 3 2011/01/01 MCC Micro Commercial Components TM Ordering Information : Device Part Number-TP Packing Tape&Reel;1Kpcs/Reel ***IMPORTANT NOTICE*** Micro Commercial Components Corp. reserves the right to make changes without further notice to any product herein to make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components Corp . does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all risks of such use and will agree to hold Micro Commercial Components Corp . and all the companies whose products are represented on our website, harmless against all damages. ***LIFE SUPPORT*** MCC's products are not authorized for use as critical components in life support devices or systems without the express written approval of Micro Commercial Components Corporation. ***CUSTOMER AWARENESS*** Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine parts, have full traceability, meet MCC's quality standards for handling and storage. MCC will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources. MCC is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors. www.mccsemi.com Revision: A 3 of 3 2011/01/01 4